Mountain resort image
– Lat/Long: 48.71° N 121.99° W

South Twin Sister
Weather Forecast, United States

Issued: 9 am Tue 09 Dec Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Heavy rain (total 95mm), heaviest during Wed night. Very mild (max 11°C on Wed afternoon, min 5°C on Tue afternoon). Wind will be generally light.

Days 4–6 Weather Summary

Heavy rain (total 33mm), heaviest during Sun night. Very mild (max 10°C on Sat morning, min 8°C on Fri morning). Wind will be generally light.

Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
light rain
heavy rain
heavy rain
heavy rain
heavy rain
cloud
cloud
light rain
light rain
light rain
rain showers
part cloud
part cloud
mod rain
light rain
light rain
heavy rain
rain shwrs
light rain
heavy rain
heavy rain
heavy rain
heavy rain
cloudy
cloudy
light rain
light rain
light rain
rain shwrs
some clouds
some clouds
mod. rain
light rain
light rain
heavy rain
 km/h
5
S
5
ESE
10
S
15
S
10
SSW
15
W
5
S
5
S
5
S
10
SW
10
WSW
5
S
10
SSE
10
SSE
15
SSE
10
SSE
10
SSE
10
SSE
 cm 
 mm 
0.7
0.8
19
24
16
32
1.7
0.5
4
1.7
6
1
0.3
20
max°C
7
6
9
10
11
10
7
7
7
9
9
9
10
9
10
9
9
9
min°C
6
5
5
9
11
6
6
6
6
8
9
8
8
9
8
8
8
8
chill°C 
5
3
2
7
10
5
5
6
6
7
8
7
7
8
6
6
6
5
Freezing level (m
1350
1500
2550
2500
2750
1950
1500
1600
2100
2100
2000
2250
2550
2500
2150
2000
2050
2250
Cloud base (m)
750
750
550
550
550
600
1750
2950
600
600
550
600
1500
6200
2200
600
650
850
Sea lvl1000m2000m3000m4000m5000m
-5-3123-1-3-200-11221-1-11-1-1455201243346433376710118777999999999
Sunrise
7:48
7:48
7:50
7:50
7:52
7:52
Sunset
4:10
4:10
4:10
4:10
4:10
4:10

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South Twin Sister Weather (Days 0-3):

The weather forecast for South Twin Sister is: Heavy rain (total 95mm), heaviest during Wed night. Very mild (max 11°C on Wed afternoon, min 5°C on Tue afternoon). Wind will be generally light.

South Twin Sister Weather (Days 3-6):

Heavy rain (total 33mm), heaviest during Sun night. Very mild (max 10°C on Sat morning, min 8°C on Fri morning). Wind will be generally light.

This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.

Live conditions reported by 5 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
22 km WSW
94m alt.
46 minutes ago
10° C
Dry
0
Calm
(0 kph at 298).
6
25 km WNW
102m alt.
34 minutes ago
11° C
Dry
5
Calm
(5 kph at 98).
10
25 km WSW
198m alt.
53 minutes ago
8° C
Dry
2
Calm
(2 kph at 202).
2
26 km NW
125m alt.
1 hour ago
9° C
Dry
3
Calm
(3 kph at 226).
3
27 km WSW
99m alt.
44 minutes ago
11° C
Dry
3
Calm
(3 kph at 141).
11
28 km NW
152m alt.
1 hour ago
9° C
Dry
5
Calm
(5 kph at 203).
10
30 km WSW
130m alt.
41 minutes ago
9° C
Dry
0
Calm
(0 kph at 109).
6
35 km WNW
19m alt.
1 hour ago
11° C
Dry
0
Calm
(0 kph at 0).
3
35 km WSW
100m alt.
51 minutes ago
11° C
Dry
6
Light winds from the S
(6 kph at 171).
23
SHIP3581
38 km WSW
15m alt.
1 hour ago
18
Light winds from the S
(19 kph at 180).
- km

* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.